Which is of the air that envelops earths solid and liquid surface

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Regarding most of the narrator’s story, which word best describes the tone?